Byrd's South Pole being lowered into the water for first time after the pontoons were put on.

Launching Byrd's South Pole plane at East Boston Airport. |
Wilmer Stultz's amphibian plane in Boston after flying from Saratoga, NY. |
Admiral Byrd: standing on plane |
Byrd's South Pole plane being launched off East Boston Airport. |
Commander Byrd on Macmillan's plane at Squantum. |
Byrd's South Pole plane being redied for launch off East Boston Airport. |